Home / 68,203,185.28-102,345,126.72-25,102,660.48

Finding the Fourth Proportional to 68,203,185.28, 102,345,126.72 and 25,102,660.48

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Solution

The fourth proportional to 68,203,185.28, 102,345,126.72 and 25,102,660.48 is: 37,668,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,203,185.28 : 102,345,126.72 = 25,102,660.48 : x
  2. Step 2: Convert to fraction form
    68,203,185.28/102,345,126.72 = 25,102,660.48/x
  3. Step 3: Cross multiply
    68,203,185.28x = 102,345,126.72 × 25,102,660.48
  4. Step 4: Simplify right side
    68,203,185.28x = 2,569,134,967,834,736
  5. Step 5: Solve for x
    x = 2,569,134,967,834,736/68,203,185.28
  6. Step 6: Final answer
    x = 37,668,841.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.